Stirring mechanical sealing device for kettle

Abstract

The utility model discloses a stirring mechanical sealing device for a kettle. The stirring mechanical sealing device comprises a sealer and a sealing assembly. According to the stirring mechanical sealing device for the kettle, the inner sealing rings installed at the inner ends of the multiple sets of roller bearings in the lower installation base can conduct multi-layer sealing on a stirring shaft installed in the sealer, and the upper concave rings and the lower sealing gaskets at the upper ends and the lower ends of the roller bearings can well seal the connecting space of the roller bearings. The upper concave ring and the lower concave ring which are used for sealing connection between the upper end and the lower end of the roller bearing and the upper mounting seat and the lower mounting seat are matched, so that the sealing performance of the sealer on the stirring shaft mounted in the center can be obviously improved; and the bottom ring of the upper plane bearing and the top ring of the lower plane bearing at the upper end and the lower end can rotate along with the stirring shaft, so that the resistance in the rotation of the stirring shaft is reduced, and the damage to the inner sealing ring, the lower sealing gasket, the upper sealing ring and other parts can be reduced.

Description

Technical Field

[0001] This utility model relates to the technical field of mechanical sealing devices, specifically a stirring mechanical sealing device for a reactor. Background Technology

[0002] A mechanical seal for agitators is a sealing device used in agitators (mixers). It is installed on the top of the agitator and outside the agitator shaft. Its main purpose is to ensure the sealing between the agitator and the top of the agitator, thereby preventing the leakage of gas or liquid inside the agitator.

[0003] Existing mechanical seal devices for reactors, such as the mechanical seal assembly for reactors disclosed in publication number CN221145304U, although capable of accommodating the vibration amplitude of the stirring shaft through the rotational connection between the rotating frame and the reactor body, and can effectively improve the sealing performance between the stirring mechanism and the reactor body under the action of the second sealing ring, the sealing components of this mechanical seal assembly, such as the first sealing ring and the rubber cover, are not convenient to rotate with the rotation of the stirring shaft, and are therefore prone to continuous wear due to the rotation of the stirring shaft. Therefore, we propose a mechanical seal device for reactors. Utility Model Content

[0004] This utility model aims to solve one of the technical problems existing in the prior art or related technologies.

[0005] Therefore, the technical solution adopted by this utility model is as follows:

[0006] A mechanical sealing device for a reactor stirring apparatus includes: a sealer and a sealing assembly; the sealer includes a lower mounting seat and an upper mounting seat, bolts connecting the lower mounting seat and the upper mounting seat, and mounting holes arranged at the bottom of the lower mounting seat; the sealing assembly includes a mounting cavity provided in the lower mounting seat, multiple sets of roller bearings arranged and installed in the mounting cavity, inner mounting ports opened on the inner side of the inner rings of the roller bearings, inner sealing rings movably installed in the inner mounting ports, upper concave rings and lower sealing gaskets respectively opened and fixedly installed at the upper and lower ends of the inner rings of the roller bearings, an upper restraining cavity provided in the upper mounting seat, a spring fixedly installed in the upper restraining cavity, and an upper flat bearing fixedly installed at the bottom of the spring.

[0007] Preferably, an upper sealing ring is also fixedly installed at the bottom of the upper flat bearing, and the upper sealing ring matches the upper concave ring.

[0008] Preferably, a lower restraint cavity is also provided on one side of the bottom of the mounting cavity, and the lower restraint cavity has a circular structure.

[0009] Preferably, a lower plane bearing is also movably installed inside the lower restraint cavity.

[0010] Preferably, the upper end of the lower plane bearing is further provided with a concave ring, and the concave ring is matched with the lower sealing gasket.

[0011] Preferably, the lower mounting base is further provided with a sealing opening at the top, and the upper mounting base is further provided with a sealing ring at the bottom, and the sealing ring and the sealing opening are matched.

[0012] Preferably, the upper concave ring and the lower sealing gasket are matched.

[0013] By adopting the above technical solution, the beneficial effects achieved by this utility model are as follows:

[0014] 1. In this utility model, the inner sealing rings installed at the inner ends of multiple sets of roller bearings in the lower mounting base can provide multi-layer sealing for the stirring shaft installed in the sealer. The upper concave rings and lower sealing gaskets at the upper and lower ends of the roller bearings can also effectively seal the connection between the roller bearings. In addition, the upper concave rings and lower concave rings used for sealing connection between the upper and lower ends of the roller bearings and the upper and lower mounting bases can significantly improve the sealing performance of the sealer for the centrally mounted stirring shaft.

[0015] 2. In this utility model, when the stirring shaft rotates, the inner ring of the central multi-set roller bearing, as well as the bottom ring of the upper plane bearing and the top ring of the lower plane bearing, can rotate with the stirring shaft. This reduces the resistance during the rotation of the stirring shaft and also reduces damage to components such as the inner sealing ring, the lower sealing gasket, and the upper sealing ring.

[0016] 3. In this utility model, the roller bearing and the lower plane bearing positioned and installed in the lower mounting base can also be conveniently maintained and repaired after the lower mounting base and the upper mounting base are separated. Attached Figure Description

[0017] Figure 1 This is an overall structural diagram of the present invention;

[0018] Figure 2 This is another perspective view of the present invention;

[0019] Figure 3 This is a side sectional view of the present invention;

[0020] Figure 4 This utility model Figure 3 A magnified view of A in the middle.

[0021] Figure label:

[0022] 100. Sealer; 101. Lower mounting base; 102. Upper mounting base; 103. Bolt; 104. Mounting hole;

[0023] 200. Sealing assembly; 201. Mounting cavity; 202. Roller bearing; 203. Inner mounting port; 204. Inner sealing ring; 205. Upper concave ring; 206. Lower sealing gasket; 207. Upper restraint cavity; 208. Spring; 209. Upper flat bearing; 210. Upper sealing ring; 211. Lower restraint cavity; 212. Lower flat bearing; 213. Lower concave ring; 214. Sealing port; 215. Sealing ring. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. It should be noted that, unless otherwise specified, the embodiments and features of the present utility model can be combined with each other.

[0025] The following describes, with reference to the accompanying drawings, some embodiments of the present invention, providing a mechanical sealing device for a stirring vessel.

[0026] Example 1:

[0027] Combination Figure 1-4 As shown, the present invention provides a mechanical sealing device for a reactor stirring apparatus, comprising: a sealer 100 and a sealing assembly 200; the sealer 100 includes a lower mounting base 101 and an upper mounting base 102, a bolt 103 connecting the lower mounting base 101 and the upper mounting base 102, and mounting holes 104 arranged at the bottom of the lower mounting base 101; the sealing assembly 200 includes a mounting cavity 201 provided in the lower mounting base 101, multiple sets of roller bearings 202 arranged and installed in the mounting cavity 201, inner mounting openings 203 opened on the inner side of the inner ring of each roller bearing 202, inner sealing rings 204 movably installed in each inner mounting opening 203, upper concave rings 205 and lower sealing gaskets 206 respectively opened and fixedly installed at the upper and lower ends of the inner ring of the roller bearings 202, and an upper restraint cavity 207 provided in the upper mounting base 102. A spring 208 is fixedly installed in the upper binding cavity 207, and an upper flat bearing 209 is fixedly installed at the bottom of the spring 208. An upper sealing ring 210 is also fixedly installed at the bottom of the upper flat bearing 209, and the upper sealing ring 210 matches the upper concave ring 205. A lower binding cavity 211 is also opened on one side of the bottom of the mounting cavity 201, and the lower binding cavity 211 has a circular structure. A lower flat bearing 212 is also movably installed in the lower binding cavity 211. A lower concave ring 213 is also opened at the upper end of the lower flat bearing 212, and the lower concave ring 213 matches the lower sealing gasket 206. A sealing port 214 is also opened at the top of the lower mounting base 101. A sealing ring 215 is also fixedly installed at the bottom of the upper mounting base 102, and the sealing ring 215 matches the sealing port 214. The upper concave ring 205 matches the lower sealing gasket 206.

[0028] Specifically, the mechanical seal device for agitators refers to a sealing device used for agitators, installed at the top of the agitator and outside the agitator shaft, primarily ensuring the sealing between the agitator and the top of the agitator. The inner sealing rings 204 installed inside the multiple sets of roller bearings 202 within the lower mounting base 101 of this seal 100 provide multi-layer sealing for the agitator shaft installed in the seal 100. Furthermore, the upper concave rings 205 and lower sealing gaskets 206 at the upper and lower ends of the roller bearings 202 also effectively seal the connection between the roller bearings 202. Combined with the upper sealing rings 210 and lower concave rings 213 used for sealing the connection between the upper and lower ends of the roller bearings 202 and the upper and lower mounting bases 101 and 102, the sealing performance of the seal 100 for the centrally mounted agitator shaft is significantly improved. Simultaneously, during the rotation of the agitator shaft, the inner rings of the multiple sets of roller bearings 202 in the center, as well as the upper and lower flat bearings 209 at the upper and lower ends... Both the bottom ring and the top ring of the lower plane bearing 212 can rotate with the stirring shaft, thereby reducing the resistance during the rotation of the stirring shaft and also reducing damage to components such as the inner sealing ring 204, the lower sealing gasket 206, and the upper sealing ring 210. The roller bearing 202 includes an inner ring and an outer ring at the inner and outer ends, and the inner and outer rings are movably connected. The upper plane bearing 209 and the lower plane bearing 212 include an upper ring at the top and a lower ring at the bottom, and the upper and lower rings are movably connected. The roller bearing 202 and the lower plane bearing 212, which are positioned and installed in the lower mounting seat 101, can also be easily maintained and repaired after the lower mounting seat 101 and the upper mounting seat 102 are separated. The sealing port 214 and the sealing ring 215 between the lower mounting seat 101 and the upper mounting seat 102 can seal the connection between the lower mounting seat 101 and the upper mounting seat 102, thereby preventing the penetration of external items and the overflow of internal liquids and gases.

[0029] Working principle and usage process of this utility model:

[0030] After the stirring shaft is installed inside the sealer 100, its outer wall will tightly fit the inner sealing rings 204 on the inner side of multiple sets of roller bearings 202, thus achieving multi-layer sealing on the inner side after the stirring shaft is installed. Simultaneously, the roller bearings 202 can also ensure a tight seal between themselves through the matching upper concave rings 205 and lower sealing gaskets 206 at their upper and lower ends. The bottommost roller bearing 202 has its bottom lower sealing gasket 206 engaging with the lower concave ring 213 at the upper end of the lower flat bearing 212 to ensure a tight seal between the bottom connections. The topmost roller bearing 202... The upper concave ring 205 engages with the upper sealing ring 210 at the bottom of the upper flat bearing 209 to ensure the sealing between the top connections. When the stirring shaft at the inner end of the sealer 100 rotates, the inner ring of the roller bearing 202, the upper ring of the lower flat bearing 212, and the lower ring of the upper flat bearing 209 can also rotate with the stirring shaft, thereby reducing the resistance during the rotation of the stirring shaft. At the same time, the inner sealing ring 204, the lower sealing gasket 206, the upper sealing ring 210, and other sealing components that rotate with it can also reduce their wear during sealing, thereby improving their service life while ensuring sealing performance.

[0031] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A mechanical sealing device for a stirring vessel, characterized in that, include: Sealer (100), sealing assembly (200); The seal (100) includes a lower mounting seat (101) and an upper mounting seat (102) at the lower and upper parts, a bolt (103) connecting the lower mounting seat (101) and the upper mounting seat (102), and mounting holes (104) arranged at the bottom of the lower mounting seat (101); The sealing assembly (200) includes a mounting cavity (201) provided in the lower mounting base (101), multiple sets of roller bearings (202) arranged and installed in the mounting cavity (201), an inner mounting port (203) opened on the inner side of the inner ring of each roller bearing (202), an inner sealing ring (204) movably installed in each inner mounting port (203), an upper concave ring (205) and a lower sealing gasket (206) respectively opened and fixedly installed at the upper and lower ends of the inner ring of the roller bearing (202), an upper binding cavity (207) provided in the upper mounting base (102), a spring (208) fixedly installed in the upper binding cavity (207), and an upper flat bearing (209) fixedly installed at the bottom of the spring (208).

2. The mechanical seal device for stirring in a reactor according to claim 1, characterized in that, The upper flat bearing (209) is also fixedly installed with an upper sealing ring (210), and the upper sealing ring (210) matches the upper concave ring (205).

3. The mechanical seal device for stirring in a reactor according to claim 1, characterized in that, The mounting cavity (201) also has a lower binding cavity (211) on one side of its bottom, and the lower binding cavity (211) has a circular structure.

4. The mechanical seal device for a reactor with stirring mechanism according to claim 3, characterized in that, A lower plane bearing (212) is also movably installed inside the lower restraint cavity (211).

5. The mechanical seal device for a reactor with stirring mechanism according to claim 4, characterized in that, The lower flat bearing (212) is also provided with a concave ring (213) at its upper end, and the concave ring (213) matches the lower sealing gasket (206).

6. The mechanical seal device for a reactor with stirring mechanism according to claim 1, characterized in that, The lower mounting base (101) is also provided with a sealing port (214) at the top, and a sealing ring (215) is fixedly installed at the bottom of the upper mounting base (102), and the sealing ring (215) matches the sealing port (214).

7. The mechanical seal device for stirring in a reactor according to claim 1, characterized in that, The upper concave ring (205) and the lower sealing gasket (206) are matched.

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